Carmanah WW400D Ala Sese Ta'iala Su'esu'ega Ta'avale
A'oa'o pe fa'apefea ona fa'apipi'i ma fa'agaoioi le Carmanah WW400D Wrong Way Vehicle Detection system fa'atasi ai ma nei fa'amatalaga auiliili o oloa ma fa'atonuga fa'aoga. Ia mautinoa le taulimaina lelei o maa ma mulimulitaʻi i taʻiala taʻitasi mo le sauniuniga o pou, faʻapipiʻi kapeneta, ma fesoʻotaʻiga puʻepue/radar. Maua uma fa'amatalaga e te mana'omia e fa'atulaga ai le fa'ata'ita'iga WW400D lelei ma saogalemu.